Patents by Inventor Jack W. Shirlin

Jack W. Shirlin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7373859
    Abstract: An apparatus for removing roof shingles includes an elongated body having a handle at its upper end and a lift plate pivotally connected to its lower end. The lift plate includes a removable blade at its leading edge and a roller that parallels the leading edge. The lift plate is linked to a pneumatically powered actuator that causes the lift plate to pivot about the roller upon the activation of a trigger mounted in the handle. The handle both rotates around the body and is movable linearly along the body against a biasing compression spring.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: May 20, 2008
    Inventors: Jack W. Shirlin, Samantha Kaiser, legal representative, Klai Y. Shirlin, Robert T. Kaiser
  • Patent number: 6946628
    Abstract: A method for making a heating element adhered to a substrate by applying a photocurable composition to a flexible substrate in a pattern having one or more grid lines is provided. The photocurable composition is curable into an electrically conductive layer and volatile organic compounds are present in an amount of less than about 10% total weight of the photocurable composition. After the pattern is deposited on the substrate is cured by illuminating the photocurable composition with light for a sufficient period of time to cure the photocurable composition. Heating elements made by the method are also provided.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: September 20, 2005
    Assignee: Klai Enterprises, Inc.
    Inventors: Jack W. Shirlin, Robert T. Kaiser, James W. Proscia
  • Patent number: 5383632
    Abstract: A support for the wrists and forearms of a user performing manual tasks, such as operating a keyboard, assembling small parts and the like, includes a rectangular flat work-supporting frame and a pair of arms pivotally mounted on the frame. An elongated cushioned forearm and wrist support is mounted on the outer end of each arm to support the user's forearms and wrists so that the fingers can be used to perform a manual task.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: January 24, 1995
    Inventors: Jack W. Shirlin, Robert T. Kaiser
  • Patent number: 5001946
    Abstract: Apparatus for removing roof shingles includes an elongated body having a handle at the upper end and a pivotally connected lift plate at the lower end. A piston and cylinder actuator mounted on the body and activated by a trigger mounted on the handle. A lift plate is pivotally mounted on the lower end of the body. A toggle linkage connects the actuator to the lift plate for pivoting the forward edge of the plate about a heel structure under the lift plate.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: March 26, 1991
    Inventors: Jack W Shirlin, Robert T. Kaiser
  • Patent number: D332072
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: December 29, 1992
    Inventors: Jack W. Shirlin, Robert T. Kaiser
  • Patent number: D333289
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: February 16, 1993
    Inventors: Jack W. Shirlin, Robert T. Kaiser